[Event "Rio Grande op 19th"]
[Site "Rio Grande"]
[Date "2019.07.09"]
[Round "7"]
[White "Ortiz, Andres"]
[Black "Kogan, Gustavo"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2021"]
[PlyCount "99"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Nbd7 5. Qc2 b6 6. cxd5 exd5 7. g3 Bb7 8. Bg2 a6 9. 0-0 Bd6 10. e4 dxe4 11. Ng5 0-0 12. Ngxe4 Nxe4 13. Nxe4 Rb8 14. Nxd6 cxd6 15. Bxb7 Rxb7 16. Bf4 d5 17. Qc6 Ra7 18. Qxd5 Nf6 19. Qxd8 Rxd8 20. Rac1 Nd5 21. Be3 Kf8 22. Rc6 h6 23. a3 Re7 24. Re1 Ke8 25. Bd2 Rxe1+ 26. Bxe1 Kd7 27. Rc2 Re8 28. Kf1 f6 29. Bc3 Kd6 30. Rc1 Kd7 31. f3 Kd6 32. Kf2 Kd7 33. h4 Kd6 34. Bd2 Kd7 35. g4 Rc8 36. Rxc8 Kxc8 37. Ke2 Kd7 38. Kd3 Kd6 39. Ke4 Ke6 40. f4 a5 41. b3 Nc7 42. f5+ Kd7 43. d5 Kd6 44. Bf4+ Kd7 45. Bxc7 Kxc7 46. a4 h5 47. g5 fxg5 48. hxg5 Kd7 49. f6 gxf6 50. g6 1-0

[Event "Rio Grande op 19th"]
[Site "Rio Grande"]
[Date "2019.07.08"]
[Round "6"]
[White "Kogan, Gustavo"]
[Black "Lyzymysiuk, Pablo"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1521"]
[PlyCount "137"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 h6 6. Nc3 d6 7. h3 0-0 8. a3 a5 9. Ne2 Re8 10. Ng3 Bd7 11. c3 Bb6 12. Nh2 Na7 13. Kh1 Be6 14. Bxe6 Rxe6 15. Nf5 Kh7 16. Qf3 Ng8 17. Nxh6 Nxh6 18. Bxh6 Rf6 19. Bg5 Rxf3 20. Bxd8 Rxd3 21. Bg5 f6 22. Bh4 Rh8 23. f3 Kg8 24. Bf2 Be3 25. Bxe3 Rxe3 26. Rfe1 Rxe1+ 27. Rxe1 Nc6 28. Ng4 b6 29. Ne3 Ne7 30. c4 Kf7 31. Nd5 Nxd5 32. cxd5 Ke7 33. Rc1 Kd7 34. Kh2 g6 35. Kg3 f5 36. Kf2 f4 37. Ke2 g5 38. Kd3 b5 39. Rc6 Rb8 40. Ra6 a4 41. Kc3 Kc8 42. Kb4 Kd7 43. Ra5 c5+ 44. dxc6+ Kxc6 45. Ra6+ Kd7 46. Ra7+ Ke6 47. Rc7 Kf6 48. Ka5 Ke6 49. Rc6 Rb7 50. Ka6 Rb8 51. Ka7 Rd8 52. Kb7 Rd7+ 53. Kc8 Ke7 54. Rc7 Rxc7+ 55. Kxc7 Ke6 56. Kc6 Ke7 57. Kxb5 Kd7 58. Kxa4 Kc6 59. Kb4 d5 60. exd5+ Kxd5 61. Kc3 e4 62. fxe4+ Kxe4 63. Kd2 f3 64. gxf3+ Kxf3 65. Ke1 Kg3 66. Kf1 Kxh3 67. Kg1 Kg4 68. a4 Kf5 69. a5 1-0

[Event "Rio Grande op 19th"]
[Site "Rio Grande"]
[Date "2019.07.08"]
[Round "5"]
[White "Maldonado, Roberto"]
[Black "Kogan, Gustavo"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1907"]
[PlyCount "83"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 Be7 8. d4 d6 9. h3 0-0 10. Re1 h6 11. Nbd2 Re8 12. Nf1 Bf8 13. a4 Bb7 14. d5 Na5 15. Bc2 c5 16. g4 Nh7 17. Ng3 g6 18. b3 Ng5 19. Kg2 Bg7 20. Be3 Qf6 21. Nxg5 hxg5 22. Qd2 Qe7 23. Bxg5 f6 24. Be3 g5 25. Nf5 Qf7 26. axb5 axb5 27. Rh1 Bc8 28. Qe2 Bxf5 29. gxf5 c4 30. b4 Nb3 31. Bxb3 cxb3 32. Qb2 Rxa1 33. Rxa1 Qb7 34. Ra5 Ra8 35. Rxa8+ Qxa8 36. Bb6 Bf8 37. Qxb3 Qa6 38. Bc7 Kf7 39. Qd1 Bg7 40. Qh5+ Kg8 41. Qe8+ Kh7 42. Qg6+ 1-0

[Event "Rio Grande op 19th"]
[Site "Rio Grande"]
[Date "2019.07.07"]
[Round "4"]
[White "Kogan, Gustavo"]
[Black "Shon, Mariano"]
[Result "1-0"]
[ECO "C40"]
[BlackElo "1618"]
[PlyCount "47"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Qe2 Nf6 5. Nc3 Be7 6. Nxe4 Nxd5 7. Qd1 0-0 8. d3 Re8 9. Be2 f5 10. Ng3 Bb4+ 11. Bd2 Qe7 12. c3 Bd6 13. Qb3 Bxg3 14. Qxd5+ Kh8 15. 0-0 Bd6 16. Rfe1 Qd7 17. Qc4 b5 18. Qh4 Re6 19. Ng5 Rh6 20. Nf7+ Qxf7 21. Bxh6 gxh6 22. Bh5 Qg7 23. Re8+ Bf8 24. Rxc8 1-0

[Event "Rio Grande op 19th"]
[Site "Rio Grande"]
[Date "2019.07.06"]
[Round "2"]
[White "Foschiatti, Tomas"]
[Black "Kogan, Gustavo"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1398"]
[PlyCount "59"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 c6 5. Bg2 Bb4+ 6. Bd2 Qe7 7. 0-0 b6 8. a3 Bxd2 9. Nbxd2 0-0 10. Ne5 Bb7 11. Qc2 Nbd7 12. Nxd7 Qxd7 13. Rfd1 Rac8 14. e4 dxe4 15. Nxe4 Qe7 16. c5 Nxe4 17. Bxe4 h6 18. b4 Rfd8 19. Rd2 b5 20. a4 Ba6 21. Qc3 bxa4 22. Rxa4 Bb5 23. Ra5 a6 24. Bd3 Qf6 25. Bxb5 axb5 26. Qe3 Qf5 27. Rda2 Qb1+ 28. Kg2 Qxb4 29. Qa3 Qxd4 30. Ra6 0-1

[Event "Rio Grande op 19th"]
[Site "Rio Grande"]
[Date "2019.07.06"]
[Round "3"]
[White "Saldivia, Ricardo"]
[Black "Kogan, Gustavo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1848"]
[PlyCount "69"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Bd3 c5 5. c3 a6 6. Nd2 Qb6 7. Rb1 Nc6 8. Ngf3 cxd4 9. exd4 Nh5 10. Bg5 h6 11. Be3 Qc7 12. 0-0 g5 13. Ne5 Nxe5 14. dxe5 Nf4 15. Bxf4 gxf4 16. Qf3 Bd7 17. c4 Bc6 18. cxd5 Bxd5 19. Qxf4 Bg7 20. Rfe1 Qe7 21. Ne4 Bxe4 22. Qxe4 Rb8 23. Rbc1 h5 24. f4 Rd8 25. Rc3 Qd7 26. Rd1 Kf8 27. Bc2 Qe7 28. Rxd8+ Qxd8 29. Qxb7 Qd4+ 30. Kh1 Kg8 31. Rc8+ Bf8 32. Qf3 f5 33. Bb3 Qd7 34. Qc6 Qxc6 35. Rxc6 1-0

[Event "Rio Grande op 19th"]
[Site "Rio Grande"]
[Date "2019.07.05"]
[Round "1"]
[White "Kogan, Gustavo"]
[Black "Quiroga, Angel"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1864"]
[PlyCount "24"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. exd5 exd5 4. Bb2 Nf6 5. d4 Bd6 6. Bd3 0-0 7. Ne2 Re8 8. 0-0 Bxh2+ 9. Kxh2 Ng4+ 10. Kg3 h5 11. Rh1 Qg5 12. Bc1 Ne3+ 0-1

